Mike, a charismatic beachgoer, is smitten with Delilah, a visiting friend of his friend Pebbles. Despite Pebbles' praise, Delilah finds Mike arrogant and rejects his advances. Mike decides to disguise himself as his fictional "brother" Herbert, a bookish and awkward character, to test Delilah's sincerity. As Delilah dates Herbert, Mike must navigate his growing feelings for her while keeping up the charade. Complications arise when Delilah questions the absence of Herbert and Mike, and the two must confront the truth when Delilah discovers the deception.

It's a Bikini World
Mike, a charming individual, initially driven by his own ambitions, discovers himself falling deeply in love with the spirited Delilah after transforming into his brother Herbert.